Home / 194,154.76-291,302.16-67,813.60

Finding the Fourth Proportional to 194,154.76, 291,302.16 and 67,813.60

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Solution

The fourth proportional to 194,154.76, 291,302.16 and 67,813.60 is: 101,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,154.76 : 291,302.16 = 67,813.60 : x
  2. Step 2: Convert to fraction form
    194,154.76/291,302.16 = 67,813.60/x
  3. Step 3: Cross multiply
    194,154.76x = 291,302.16 × 67,813.60
  4. Step 4: Simplify right side
    194,154.76x = 19,754,248,157.38
  5. Step 5: Solve for x
    x = 19,754,248,157.38/194,154.76
  6. Step 6: Final answer
    x = 101,744.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.